Home / 2,134,852.88-2,947,378.33-1,320,148.90

Finding the Fourth Proportional to 2,134,852.88, 2,947,378.33 and 1,320,148.90

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Solution

The fourth proportional to 2,134,852.88, 2,947,378.33 and 1,320,148.90 is: 1,822,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,852.88 : 2,947,378.33 = 1,320,148.90 : x
  2. Step 2: Convert to fraction form
    2,134,852.88/2,947,378.33 = 1,320,148.90/x
  3. Step 3: Cross multiply
    2,134,852.88x = 2,947,378.33 × 1,320,148.90
  4. Step 4: Simplify right side
    2,134,852.88x = 3,890,978,260,233.34
  5. Step 5: Solve for x
    x = 3,890,978,260,233.34/2,134,852.88
  6. Step 6: Final answer
    x = 1,822,597.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.